#!/usr/bin/env python3

import unittest
from mock import patch, MagicMock
from talerbackoffice.backoffice import backoffice
from talerbackoffice.talerconfig import TalerConfig
from bs4 import BeautifulSoup

TC = TalerConfig.from_env()
CURRENCY = TC["taler"]["currency"].value_string(required=True)

class BackofficeTestCase(unittest.TestCase):
    def setUp(self):
        backoffice.app.testing = True
        self.app = backoffice.app.test_client()
    # Check whether the homepage UI shows the instances
    # in the drop-down menu.  Instances are read from the
    # environment.
    def test_instances_are_shown(self):
        response = self.app.get("/")
        soup = BeautifulSoup(response.data, "html.parser")
        self.assertEqual("MusicShop",
                         soup.find("select").option.contents[0])
        self.assertEqual(response.status_code, 200)


    @patch("requests.get")
    def test_track_order(self, mocked_get):
        ret = MagicMock()
        ret.status_code = 200
        ret.json.return_value = {}
        mocked_get.return_value = ret
        response = self.app.get("/track/order?para1=1&para2=2")
        mocked_get.assert_called_with(
            "http://backend.example.com/track/transaction",
            params=dict(para1='1', para2='2'))
        # check data is returned verbatim from the backend
        self.assertEqual(response.data, b'{}\n')



    @patch("requests.get")
    def test_track_transfer(self, mocked_get):
        ret = MagicMock()
        ret.status_code = 200
        ret.json.return_value = {}
        mocked_get.return_value = ret
        response = self.app.get("/track/transfer?para1=1&para2=2")
        mocked_get.assert_called_with(
            "http://backend.example.com/track/transfer",
            params=dict(para1='1', para2='2'))
        # check data is returned verbatim from the backend
        self.assertEqual(response.data, b'{}\n')


    @patch("requests.get")
    def test_history(self, mocked_get):
        ret = MagicMock()
        ret.status_code = 200
        ret.json.return_value = {}
        mocked_get.return_value = ret
        response = self.app.get("/history?para1=1&para2=2")
        mocked_get.assert_called_with(
            "http://backend.example.com/history",
            params=dict(para1='1', para2='2'))
        self.assertEqual(response.data, b'{}\n')

    def test_javascript_license_page(self):
        response = self.app.get("/javascript")
        soup = BeautifulSoup(response.data, "html.parser")
        self.assertEqual(soup.body.table["id"], "jslicense-labels1")

if __name__ == "__main__":
    unittest.main()